Web Worksheet: Accessibility Basics

HTML and CSS lesson 24: Accessibility basics · Set 340 · 40 questions

Code tip (Pages for everyone): Headings go down one level at a time: h1 → h2 → h3 (they may jump back up). Alt text on images, clear link text, labels on form boxes, big enough text. Strong contrast (black on white, yellow on black) is easy to read; light grey on white is not.

1. 1.Which colour pair is hard to read? (a) black on white (b) white on dark blue (c) yellow on black (d) light grey on white
2. 2.🌗 Is yellow on white easy or hard to read? (a) hard to read (b) easy to read
3. 3.Which colour pair is easy to read? (a) black on white (b) blue on purple (c) pink on red (d) red on green
4. 4.♿ Who uses a screen reader? (a) only teachers (b) only robots (c) only coders (d) people who are blind
5. 5.♿ Does this help everyone, or make the page harder to use: add alt text to images? (a) makes it harder (b) helps everyone
6. 6.Which colour pair is easy to read? (a) yellow on white (b) light grey on white (c) blue on purple (d) white on dark blue
7. 7.Which colour pair is hard to read? (a) dark grey on white (b) black on white (c) red on green (d) white on dark blue
8. 8.True or false: “tiny grey text” makes the page harder to use. (a) False (b) True
9. 9.♿ Does this help everyone, or make the page harder to use: write clear link text? (a) helps everyone (b) makes it harder
10. 10.♿ Does this help everyone, or make the page harder to use: skipping heading levels? (a) helps everyone (b) makes it harder
11. 11.♿ Does this help everyone, or make the page harder to use: link text “click here”? (a) makes it harder (b) helps everyone
12. 12.♿ Does this help everyone, or make the page harder to use: label every form box? (a) makes it harder (b) helps everyone
13. 13.♿ A part of the page is under a <h1> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h5> (d) <h1>
14. 14.🌗 Is blue on purple easy or hard to read? (a) easy to read (b) hard to read
15. 15.♿ What does good colour contrast mean? (a) many bright colours (b) no colours at all (c) only red text (d) text stands out clearly
16. 16.♿ A part of the page is under a <h5> heading. Which tag should its sub-heading use? (a) <h6> (b) <h2> (c) <h5> (d) <h3>
17. 17.♿ A part of the page is under a <h2> heading. Which tag should its sub-heading use? (a) <h6> (b) <h4> (c) <h5> (d) <h3>
18. 18.Which colour pair is easy to read? (a) dark grey on white (b) red on green (c) light grey on white (d) blue on purple
19. 19.🌗 Is white on dark blue easy or hard to read? (a) easy to read (b) hard to read
20. 20.♿ Which link text is clearest? (a) here (b) Read the fruit facts (c) click here (d) link
21. 21.🌗 Is pink on red easy or hard to read? (a) easy to read (b) hard to read
22. 22.True or false: “link text “click here”” helps everyone use the page. (a) False (b) True
23. 23.True or false: “images with no alt” makes the page harder to use. (a) False (b) True
24. 24.True or false: “label every form box” helps everyone use the page. (a) True (b) False
25. 25.Which colour pair is easy to read? (a) light grey on white (b) white on black (c) pink on red (d) red on green
26. 26.♿ Is this heading order correct (no level skipped)?
    <h1> → <h1> → <h1> → <h2> (a) Yes (b) No
27. 27.True or false: “images with no alt” helps everyone use the page. (a) False (b) True
28. 28.♿ Is this heading order correct (no level skipped)?
    <h1> → <h3> → <h4> → <h3> (a) Yes (b) No
29. 29.♿ A part of the page is under a <h4> heading. Which tag should its sub-heading use? (a) <h5> (b) <h4> (c) <h3> (d) <h2>
30. 30.♿ Does this help everyone, or make the page harder to use: images with no alt? (a) helps everyone (b) makes it harder
31. 31.True or false: “colour as the only clue” helps everyone use the page. (a) True (b) False
32. 32.True or false: “label every form box” makes the page harder to use. (a) True (b) False
33. 33.🌗 Is yellow on black easy or hard to read? (a) easy to read (b) hard to read
34. 34.🌗 Is dark grey on white easy or hard to read? (a) hard to read (b) easy to read
35. 35.🌗 Is red on green easy or hard to read? (a) hard to read (b) easy to read
36. 36.🌗 Is light grey on white easy or hard to read? (a) hard to read (b) easy to read
37. 37.True or false: “tiny grey text” helps everyone use the page. (a) True (b) False
38. 38.🌗 Is black on white easy or hard to read? (a) hard to read (b) easy to read
39. 39.True or false: “use headings in order” helps everyone use the page. (a) True (b) False
40. 40.♿ Is this heading order correct (no level skipped)?
    <h1> → <h2> → <h4> → <h3> (a) Yes (b) No

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